feat: extend agent-driven map workbench

2026-07-20 19:57:35 +08:00
parent 86e9b08235
commit 7fbd8a5618
63 changed files with 4506 additions and 457 deletions
@@ -0,0 +1,41 @@
+import type { Feature, FeatureCollection, Geometry } from "geojson";
+
+export const VALUE_LABEL_SOURCE_ID = "workbench-value-label";
+export const VALUE_LABEL_LAYER_IDS = ["workbench-value-label-point", "workbench-value-label-line"] as const;
+
+export function getNumericFeatureProperties(properties: Record<string, unknown> | null | undefined) {
+  return Object.entries(properties ?? {})
+    .filter((entry): entry is [string, number] => typeof entry[1] === "number" && Number.isFinite(entry[1]))
+    .sort(([a], [b]) => a.localeCompare(b));
+}
+
+export function formatFeatureValue(value: number, precision: number, unit = "") {
+  const safePrecision = Math.min(3, Math.max(0, Math.trunc(precision)));
+  const safeUnit = unit.trim().slice(0, 16);
+  return `${value.toFixed(safePrecision)}${safeUnit ? ` ${safeUnit}` : ""}`;
+}
+
+export function createValueLabelCollection(
+  feature: Feature,
+  property: string,
+  precision: number,
+  unit = ""
+): FeatureCollection {
+  const value = feature.properties?.[property];
+  if (typeof value !== "number" || !Number.isFinite(value)) {
+    throw new Error("INVALID_VALUE_PROPERTY");
+  }
+
+  return {
+    type: "FeatureCollection",
+    features: [{
+      type: "Feature",
+      geometry: feature.geometry as Geometry,
+      properties: { label: formatFeatureValue(value, precision, unit) }
+    }]
+  };
+}
+
+export function createEmptyValueLabelCollection(): FeatureCollection {
+  return { type: "FeatureCollection", features: [] };
+}